@misc{indiciaea07e24a45f03,
  title = {Geological Survey research 1979},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1979},
  doi = {10.3133/pp1150},
  url = {https://pubs.usgs.gov/publication/pp1150},
  note = {Source identifier: pp1150}
}